Analysis Overview
SHA256
225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1ef
Threat Level: Known bad
The file 225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN was found to be: Known bad.
Malicious Activity Summary
Urelas
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Deletes itself
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-09 20:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-09 20:08
Reported
2024-10-09 20:10
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Urelas
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe
"C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| KR | 218.54.28.240:11150 | tcp |
Files
memory/1568-0-0x0000000000400000-0x000000000043B000-memory.dmp
\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | 039c56ea97a853a09a18e6479e40d818 |
| SHA1 | e82437d7de712200735a9f2ae45189efaaca4aef |
| SHA256 | e7e246f8a28a1281ae2fad9ad305833e39b2fd781a3f6bbbe2c96e7b9cd28557 |
| SHA512 | 1da758936341aadc7a0ccdd3b9b1390bf542921ed95c1e5e364dd34a4915a5de1b12ebfc7d5810a9de2ed51f978ff4006788f9af07a95860df64e9d1c42e072c |
memory/2252-9-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | bf6c4086be51b071163fd7596f32a7ee |
| SHA1 | e3a8c94485f15eaf11ff0b801257e116dc1ee8bb |
| SHA256 | 35862351686091219f9596d157b2ed112343daece3b9003a3a0b1074df6b9d4c |
| SHA512 | fedb3bc7e6dcd1ea8dc1295fe68acb723698c3a0f2621c6e370e22e0e70afeb0b46ab7fdd0ad6a81f91f42d9e6d06b1f2cc147c2ce30ba7d47b114282f8c7ed3 |
memory/1568-18-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/2252-21-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2252-28-0x0000000000400000-0x000000000043B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-09 20:08
Reported
2024-10-09 20:10
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
96s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe
"C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| KR | 218.54.28.240:11150 | tcp | |
| US | 8.8.8.8:53 | 134.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/2692-0-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | 149545cd459dc52ee3585b17f05b57bd |
| SHA1 | 829c43cc9f41f59ab5d367d7a20fa157f6032386 |
| SHA256 | d38b11d7fc0a4958b9d09372b3e883d5e6f84aca42a45a2e3d5486a83a2fc38d |
| SHA512 | cebddf84305cc97819e495d9e5c55c160627c73a6703f152ad3b078ef144a39f51134411e831f53024aa15ead91840800f593d3f676a9d8a77162f099e235af3 |
memory/2692-14-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | bf6c4086be51b071163fd7596f32a7ee |
| SHA1 | e3a8c94485f15eaf11ff0b801257e116dc1ee8bb |
| SHA256 | 35862351686091219f9596d157b2ed112343daece3b9003a3a0b1074df6b9d4c |
| SHA512 | fedb3bc7e6dcd1ea8dc1295fe68acb723698c3a0f2621c6e370e22e0e70afeb0b46ab7fdd0ad6a81f91f42d9e6d06b1f2cc147c2ce30ba7d47b114282f8c7ed3 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/3532-17-0x0000000000400000-0x000000000043B000-memory.dmp
memory/3532-23-0x0000000000400000-0x000000000043B000-memory.dmp